50211409 has 2 divisors, whose sum is σ = 50211410. Its totient is φ = 50211408.

The previous prime is 50211379. The next prime is 50211439. The reversal of 50211409 is 90411205.

It is a balanced prime because it is at equal distance from previous prime (50211379) and next prime (50211439).

It can be written as a sum of positive squares in only one way, i.e., 47651409 + 2560000 = 6903^2 + 1600^2 .

It is a cyclic number.

It is not a de Polignac number, because 50211409 - 2⁵ = 50211377 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50211409.

It is not a weakly prime, because it can be changed into another prime (50211439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25105704 + 25105705.

It is an arithmetic number, because the mean of its divisors is an integer number (25105705).

Almost surely, 2^50211409 is an apocalyptic number.

It is an amenable number.

50211409 is a deficient number, since it is larger than the sum of its proper divisors (1).

50211409 is an equidigital number, since it uses as much as digits as its factorization.

50211409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 50211409 is about 7086.0009173017. Note that the first 3 decimals coincide. The cubic root of 50211409 is about 368.9216447294.

It can be divided in two parts, 502 and 11409, that added together give a palindrome (11911).

The spelling of 50211409 in words is "fifty million, two hundred eleven thousand, four hundred nine".